sun

Radio waves are providing a new way to probe the Sun and suggest that the magnetic field of its corona may be stronger than long thought.
EOS.ORG
At about the same time the Sun was blowing off the largest flare measured in over a decade, the strength of the magnetic field in its atmosphere hit a record high.
But that may not be abnormal. New research suggests that the Sun’s magnetic field may climb to levels of intensity stronger than currently predicted, a discovery that could have impli...

The Earth is being battered by a huge solar storm, which could disrupt the power grid and GPS as well as letting people see beautiful auroras.
A potent blast of magnetic plasma shot out of the sun on Sunday, travelling faster than usual, according to the US National Oceanic and Atmospheric Administration (NOAA). It brought with it the biggest solar storm at least since March, and perhaps since September 2005.
The solar weather brought with it aurora — spectacular lights...